This is a conservation of momentum problem! Here's how to do it:
4. Which point on this position vs. time graph has the fastest speed?
1 answer:
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Answer:
2.5 × 10⁴ mi/h = 1.1 × 10⁴ m/s
Explanation:
Hi there!
We have the following equivalencies:
1 mile = 1609 m
1 hour = 3600 s
Then to convert miles to meters, we can multiply the given quantity in miles by ( 1609 m/ 1 mile) and we will obtain the same quantity in meters. In the same way, if we want to convert hours into seconds, we can multiply the given quantity in hours by (3600 s/ 1 hour) and we will obtain seconds.
Let´s convert miles per hour into m/s:
= 1.1 × 10⁴ m/s (notice how the units mi and h cancel)
To convert 3 miles per hour into m/s, first we have to convert miles in to meter and then hour in to second.
As and
Therefore,